GB2387724B - Improved method and apparatus for tracking a resonant frequency - Google Patents

Improved method and apparatus for tracking a resonant frequency

Info

Publication number
GB2387724B
GB2387724B GB0308728A GB0308728A GB2387724B GB 2387724 B GB2387724 B GB 2387724B GB 0308728 A GB0308728 A GB 0308728A GB 0308728 A GB0308728 A GB 0308728A GB 2387724 B GB2387724 B GB 2387724B
Authority
GB
United Kingdom
Prior art keywords
tracking
resonant frequency
improved method
improved
resonant
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
GB0308728A
Other versions
GB0308728D0 (en
GB2387724A (en
Inventor
Victor Alexandrovich Kalinin
Peter John Beckley
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Transense Technologies PLC
Original Assignee
Transense Technologies PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Transense Technologies PLC filed Critical Transense Technologies PLC
Publication of GB0308728D0 publication Critical patent/GB0308728D0/en
Publication of GB2387724A publication Critical patent/GB2387724A/en
Application granted granted Critical
Publication of GB2387724B publication Critical patent/GB2387724B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/46—Modulators with mechanically-driven or acoustically-driven parts
GB0308728A 2002-04-18 2003-04-15 Improved method and apparatus for tracking a resonant frequency Expired - Lifetime GB2387724B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0208881.3A GB0208881D0 (en) 2002-04-18 2002-04-18 Improved method for tracking a resonant frequency

Publications (3)

Publication Number Publication Date
GB0308728D0 GB0308728D0 (en) 2003-05-21
GB2387724A GB2387724A (en) 2003-10-22
GB2387724B true GB2387724B (en) 2004-12-15

Family

ID=9935069

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0208881.3A Ceased GB0208881D0 (en) 2002-04-18 2002-04-18 Improved method for tracking a resonant frequency
GB0308728A Expired - Lifetime GB2387724B (en) 2002-04-18 2003-04-15 Improved method and apparatus for tracking a resonant frequency

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0208881.3A Ceased GB0208881D0 (en) 2002-04-18 2002-04-18 Improved method for tracking a resonant frequency

Country Status (8)

Country Link
US (1) US7089794B2 (en)
EP (1) EP1502355A2 (en)
JP (1) JP4126434B2 (en)
CN (1) CN1647374A (en)
AU (1) AU2003216559A1 (en)
BR (1) BR0308894A (en)
GB (2) GB0208881D0 (en)
WO (1) WO2003090353A2 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0308962D0 (en) * 2003-04-17 2003-05-28 Nokia Corp A mixer arrangement
US7190943B2 (en) * 2003-09-16 2007-03-13 Microtune (Texas), L.P. System and method for frequency translation with harmonic suppression using mixer stages
US7164899B2 (en) * 2003-09-16 2007-01-16 Microtune (Texas), L.P. System and method for frequency translation with harmonic suppression using mixer stages
US7949072B2 (en) * 2005-10-11 2011-05-24 St-Ericsson Sa Local oscillator with injection pulling suppression and spurious products filtering
US7569971B2 (en) * 2007-10-02 2009-08-04 Delaware Capital Formation, Inc. Compensation of resonators for substrate and transducer asymmetry
WO2009089405A1 (en) * 2008-01-11 2009-07-16 Clemson University Bandwidth extension of an iq mixer by way of baseband correction
GB0807405D0 (en) * 2008-04-23 2008-05-28 Transense Technologies Plc Pressure sensor
GB2508186B (en) 2012-11-22 2017-09-20 Transense Tech Plc SAW sensor arrangements
KR102139976B1 (en) 2013-11-25 2020-08-03 삼성전자주식회사 Reader receiver and reader transmitter and receiver including the same
JP6547618B2 (en) * 2015-12-24 2019-07-24 株式会社デンソー SAW sensor resonance frequency detection device
US10450863B2 (en) 2016-06-02 2019-10-22 General Electric Company Turbine engine shaft torque sensing
CN113687667B (en) * 2021-09-13 2022-04-22 东南大学 Energy conservation closed-loop control device of weak coupling resonant sensor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998021818A1 (en) * 1996-11-13 1998-05-22 Anthony Lonsdale Apparatus for tracking resonant frequency

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9004822D0 (en) * 1990-03-03 1990-04-25 Lonsdale Anthony Method and apparatus for measuring torque
EP0574921B1 (en) * 1992-06-19 2002-01-16 Sony Corporation Laser beam generator
US5585574A (en) * 1993-02-02 1996-12-17 Mitsubishi Materials Corporation Shaft having a magnetostrictive torque sensor and a method for making same
GB2355801B (en) 1999-10-29 2003-07-30 Transense Technologies Plc Interrogation of surface acoustical wave devices
US6433541B1 (en) * 1999-12-23 2002-08-13 Kla-Tencor Corporation In-situ metalization monitoring using eddy current measurements during the process for removing the film
JP4817575B2 (en) * 1999-12-23 2011-11-16 ケーエルエー−テンカー コーポレイション Real-time monitoring of metallization process using eddy current measurement
US6903489B2 (en) * 2000-07-25 2005-06-07 Tdk Corporation Piezoelectric resonator, piezoelectric resonator component and method of making the same
US6628177B2 (en) * 2000-08-24 2003-09-30 The Regents Of The University Of Michigan Micromechanical resonator device and micromechanical device utilizing same
US6581478B2 (en) * 2001-07-05 2003-06-24 Eaton Corporation Torque measuring apparatus and method employing a crystal oscillator
US6630871B2 (en) * 2001-09-28 2003-10-07 Intel Corporation Center-mass-reduced microbridge structures for ultra-high frequency MEM resonator

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998021818A1 (en) * 1996-11-13 1998-05-22 Anthony Lonsdale Apparatus for tracking resonant frequency

Also Published As

Publication number Publication date
JP4126434B2 (en) 2008-07-30
GB0308728D0 (en) 2003-05-21
US7089794B2 (en) 2006-08-15
GB2387724A (en) 2003-10-22
AU2003216559A1 (en) 2003-11-03
CN1647374A (en) 2005-07-27
JP2005528595A (en) 2005-09-22
BR0308894A (en) 2005-01-11
GB0208881D0 (en) 2002-05-29
US20050172718A1 (en) 2005-08-11
WO2003090353A2 (en) 2003-10-30
EP1502355A2 (en) 2005-02-02
WO2003090353A3 (en) 2004-11-18

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20230414